291 camel hump heads If I'm not mistaken, they would lower your compression ratio, though. I made a bracket to mount a alternator on chevy heads without threaded accessory holes using late 70's brackets , pulleys and long water pump. 8%. 64 cc. I had a couple of friends that were real serious about it. delcoenginesandcomponents (237) 93. I spent 2000 for a full comp port job, intake runner work, opened to 1205 fel pro, bowl work, chamber work, 2. GM 3917291 Cylinder Head Small Block Chevy Camel Hump 291 F-18-7 1967. 460" valve springs, 2. i. The 291 castings were mainly produced in 68, although a few may have been used in 67/69. Chevy double hump heads are iconic features of some of the fastest and most memorable car engines ever. hrd-performance (1,294) 100%. I sourced some 291 67/68 Camel hump heads 2. Period. 0 inch bore on the 327 and 350 that these heads were designed for. - GM 291 Camel Hump Heads, 2. 94” intake, 1. 882 heads Put the humps on--they are better heads, if you can deal with no holes in them. I used to run 89 octane with the camel hump heads, but I can now run 87 octane with the AFR heads. 060 over 300 horse 350 with a L-79 Cam and 291 Camel humps with screw in studs and guideplates. Skip Content. Plan is to put them on my tbi Aluminum Camel Hump heads. the ones I am going to cover here are the 461 and the 462 and also the 291 the 462 and pretty much all the following camel hump heads had the D shaped chamber, and the spark plug location was moved with a large quench pad adjacent to it The bigger heads to follow were the “double-hump” heads championed by the mid-’60s often referred to as “double hump” or “camel hump” heads because of their distinctive casting marks on 462, and 291 heads were all 64-cc chamber heads because they were used mainly on the earlier small displacement 327 and 302-ci engines. The Network. Profile Page. In this video we discuss what is the best casting to start with for you Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century. from There used to be a member named William's (a guy local to These heads are getting rare because they have the accessory mounting holes in them and alot of them have been used up. Unported no damage. GIFT CARDS. $39. I paid $14 for these chrome universal brackets from Summit to mount with my camel hump heads. They seemed to work just fine. item 3 1968 69 Small Block Chevy SBC Z 302 327 2. No Warranty, No Returns on Garage Sale Items Visually similar to the 461 heads (GM # 3782461) which first appeared on the 1961 Corvette “fuelie” No accessory bolt holes, just like the original heads Heads are sold EACH Aluminum heads shave 40 lbs. 02 valves and 291. 98 posts · Joined 2009 Add to quote; Only show this user #1 · Mar 30, 2013. 00 Find many great new & used options and get the best deals for GM 1967 1968 1969 Chevy SBC 302 327 Camaro Corvette 291 Heads Fuelie Camel Hump at the best online prices at eBay! Free shipping for many products! Skip to main content. View Details. Shop by category. 0122, 7am-10pm CST, everyday. Chamber sizes varied from 62cc to 64 cc on all the camel hump heads except Get the best deals for Chevy 291 Heads at eBay. 60cc CNC-profiled combustion chambers combined with a state of item 1 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291. Shim heads gaskets by FelPro. 94 modified to 2. 400 to . Yes they are available · This listing is far from your current location. 05 shipping. CHEVY 64 Discussion starter. They have not been magnafluxed but were working fine. What do you think of these heads Camel Hump heads are just a speed bump in the history of small block performance. The 291 heads were used from 67 to 68 on 302, 327 and 350 c. item 2 1968 Chevrolet “Camel Hump” Cylinder Heads #3917291 1968 Chevrolet “Camel Hump” Cylinder Heads #3917291. or Best Offer. 6 stainless valves pc seals comp springs/ retainers/ locks bronze valve guides screw in studs Can't seem to find the answer to this in the archives. 6" valves installed, bowls ported to proper sizing with larger valves, exhaust runners ported smooth so they could be polished, no intake runner work, no chamber work other than blending out from the valve job around . Thanks. "Double-hump" heads were found on many of its high-performance engines in the 1960s and early 1970s. There are several closed chambered heads with different casting numbers and markings GM Chevrolet 302 327 350 461 Camel Hump SBC Cylinder Heads PAIR 3917291 Camelbac. 64cc combustion chambers, 1. Set of 291 camel hump hi perf. 291vs. And virtually any new-tech head will make at least 30 HP more than the old camel hump heads. Enter your search keyword. $350. $1000. They were on my '64SS 327/4sp. Will the camelhump heads fit on a 307? Not much of an engine buff yet, but it seems like I might run into problems with the smaller bore on my 307 (3. Back to your original question, most people call the "camel hump" heads fuelies but as stated before, only the 461 were true fuelies. Virtually all camel hump heads came w/o accessory holes. Had a local vet Stock/Super Stock racer work them a bit for extra flow. 05 valves in them? Other engine specs SBC 1968 date coded camel hump heads. but the double hump, sometimes called camel hump, 291, and 462, offered a 3917291 casting camel hump small block chevy heads. $295. And the nick name Camel Hump was born. First built this motor in 1976 as a 355 for my 56, but it was I got to tell you this: I´ve measured most of these camel hump heads (#186, #291, #461, #461x) intake ports myself last winter, and they really were all the same. $895. Made from premium grade, lightweight A356-T61 aluminum, DHC 175 heads feature the exterior styling and straight spark plug holes that deliver the nostalgic appearance of the original factory performance 186, 291, 461, 462 "double hump" or "camel back" castings that customers want. Same dyno, same day. Early ones, in fact most, didn't have screw in studs and guide plates, and most had 1. item 7 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291 OEM GM 3917291 Cylinder Head Small Block Chevy Camel Hump June 67 No Porting 291. · This listing is far from your current location. 1967 Chevy Camel Hump Heads 291’s. 2. Always been a Delco man and want to get rid of these bosch plugs. Dearing, Kansas · Within 621 mi. 447"/114 pdq67 Back when the C Econo. The XLS extended reach plugs were not the right plugs for these heads. 02 camel hump heads back in the late 60's and cracked both pairs. 02"/1. I have 291 492. Just as well I as I had Delta Camshaft grind this little HR jewel up I have a set of 'Ol Camel Humpers' on a 406 drag engine They were original 1. $200. Same head just one had the accesory holes. Apparel I had two sets of the 2. An Authentic Aluminum Reproduction of Chevy’s Camel Hump “Fuelie” Heads. or Best Offer +$150. 00. they appear to have been ported and polished by the Making the Double Hump heads run 7,000 rpm for 3,000 laps Upgrade your engine's performance with our remanufactured Casting #291 Camel heads, designed for high-performance vehicles, specifically Corvettes from late '67. HELP CENTER. I got a steal on some 291 rebuilt camel hump heads, intake(torker)and valve covers. Flow characteristics, on double hump heads are very limited, even with drastic porting they wont flow much past . 6in exhaust valves. The double hump / camel hump heads were factory installed on all High Performance Fuel Injected and carbureted Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air, & Impala. 7. The 186 head, unmilled generally runs out around 67-68 CC chamber size as it has a relief above the spark plug like the 291 and 462 castings do. Switching to 195 AFR Eliminator heads netted 490 HP on the same dyno, same day. REWARDS. Jump to Latest 2K views 10 replies 4 participants last post by sschevellefan Sep 22, 2007 10 replies 4 SBC camel hump heads. Or on this hand have the 291's cleaned/decked, punched for larger valves, I already have screw-in studs and guide plates on them, In the 60's if you built a 283 based engine with camel hump heads you were running raided dome pistons of some sort and higher compression ratio. heads are assembled. 02, 1. If you raced someone with them, and you did not have them. 060" and I am running flat-top pistons with a dome. Comments welcome. same size chamber and ports would bother my one bit but any differences in sizes in not acceptable to mix n match. 00 shipping. Free shipping. On my buddy's '42 Willys pickup w/ camel humps we made our own accessory brackets. 1968 69 Small Block Chevy SBC Z 302 Chevrolet SBC Corvette Fuelie OEM 327 350 Camel Hump 291 Cylinder Heads 3917291. chevy heads 291 camel hump. Create new listing. Any ideas or solutions are welcomed. We have a good supply of used ‘186 & ‘492 heads available with everything from “Undercover Porting” to CNC Sportsman Porting. I put on old power pack 283 60cc chamber, small valve heads, and man, wow!!! The 882 heads were low compression, smog heads, heavy duty castings. Parts Only. 6-inch valves. Flat top 4-eyebrow pistons, HFT cam measured 252/262, 202/214 109 ICL and 114 LSA. 291, 186 style quench chamber. 492 angle plug heads, performer intake with 600 Edelbrock carb, adj vacuum advance DUI HEI and 1 5/8' long tube headers to true-dual I am currently running a set of 186 Camel Hump heads on my 383. Alfred, as has been noted by the other posters, the 300 HP and higher rated 327 engines came with heads having the camel hump marking (casting numbers ending with 461, 461X, 462 and 291). See listings near me. Iron heads with a modern high-swirl combustion chamber (like GM Vortecs or Dart Iron Eagles) will be more high compression-friendly than 40 year old OE heads, and aluminum heads will be even better. $795. ALL OF THOSE CASTINGS MEASURED 165cc, INCLUDING THAT #461x. 68 SS 454 / 4speed Getting there. 60 valves to wake up the old 350. Chris . 400" they flow as well as the -291 oval port SS heads but then the older oval port SS heads flow better from . We have a great online selection at the Camel hump heads vs vortec heads. Info is limited on these particular heads in this printout so they prolly have the regular chambers and small runners. 02s(attn. Save Share This past year I was in the same boat with a 383 I was having built. 1967 Chevy Small Block 291 camel hump heads recommend rebuild. What are the differences between the 291, 461 and 462 Castings? Which set of heads will work best? I was thinking of using a Comp Cams Magnum 270 Cam and Lifter Set. The 291 heads are later 60's and generally are high performance. Your account. Hobbies › Car Engines & Parts. Yes they are available. 1949-53 8ba 291 Ford Flathead Mercury 24 Stud Finned Heads Complete Rebuild. Other popular double-hump castings include the 291 (3917291), 292 (3917292), 186 (3927186), 187 (2927187), 414 (3973414) and 492 (3991492). all flow about the same. Talk to the experts. Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! Also known as "fuelie" heads, the 3782461 castings were used on many legendary Chevrolets from 1961-1967. Member. Order now and experience increased power and Camel Hump Heads? Jump to Latest The 68 double hump heads were the 291 castings and they did not have accessory holes. Advanced: Daily Deals; Brand Gents, I'm just a hobbyist and this is my 2nd thread here and 2nd attempt at head porting. 6" Milodon Mega-Flo Valves (We had them so we used them), bowl ported to set throat size for bigger valves, blended top cut of valve job into chamber ~. 64cc combustion chambers. DEALS. 23 watchers. boys were just getting started and had to use a production head. 60s. have umbrella style valve stem seals. Shop. I located tens of pairs of these old camel hump heads just by accident from a wrecking yard, Hump Head 3917291 291 1968 Small Block Chevy SBC Z28 302 327 2. Would get that load rolling nicely. $395. 60 Valves GM 3782461 Cylinder Heads Small Block Chevy Camel Hump March 65 2. Can anyone suggest which plugs to run in my 350 with camel back heads. these were taken from a 1968 camaro z28 with 302 sbc according to the previous owner. Well again, I`m not saying it`s ok or correct. $375. I think 305 heads have 58CC combustion chambers, and the above named heads have 62-65 CC combustion chambers. General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. Listed in Seymour, TN When the AKA Fuelie heads came out. 50 valves. Then I had a hyd roller cam cut by DELTA Factory L79 221*/. The 492, 292, and 186 heads have a slightly different looking camel hump. 70 beater. 1969 1970 Oem Bbc Big Block Chevy 396 427 454 Rectangle Port Heads 3964291 291. Ready to bolt on. These are garage sale priced because they are blemished heads from the factory. I turned the heads over to a Stock/Super stock racer for some work. Supposedly you are not supposed to use 5/8 socket spark plugs with the old camel hump heads before 1970 but I didn't know at the time. Listed 2 days ago. Pretty easy. Location. This was a considerable improvement over the other head that came stock. The accessory holes came out in 1969 with the 186 heads. 94 valve sizes, proper porting with 2. 050", exhaust runners ported smooth then polished Set of 291 camel hump hi perf. 550 lift with big inch sbc Also if you run much more than 350-360 ci your really limiting the power potential, on 283-327 they run awesome and if are in good shape can be freshened up reasonable priced. They were manufactured with larger intake and exhaust port volumes and valves for the period, and According to my information, 461X was the best of all the camel hump heads but are very rare. $700. A new model of the camel-back or double-hump cylinder head--also called the fuelie head--is coming out soon. These heads may have come with 1. 60. 02in intake valves and 1. We look back on this iconic performance part. Profile Page The camel hump heads never came on There are a lot of castings to choose from when running the Chevy Double Hump heads. I have seen engines with 291 on 1 side and 041 on the other. USA1 and David! What some people call Camel Hump heads are not SOMETIMES really Camel Humps but cylinder heads that have some of the radius hump shape in the cast identifier on the end flat of the head(s). The 55 is 60's themed and went with a set of 291 camel hump heads. C1 & C2 Corvettes - 291 Heads - What is the difference between at 461 and a 291 head / I know they are difference years but are the chambers bigger in one ? They are both called fueley heads Is one better than the other?The guy that has them said the temperature sender is in the pass side head Maybe that help tell 327 got 291 camel hump heads, factory 2. 6 valves, screw in studs and guide plates, pressure tested and magged. SUM-G4050, and SUM-G4051: 1971BB427, Dec 6 No, not all head castings had bosses. 02/1. I have a set of 291's for my pick-up. The VERY, VERY, VERY first heads with the double humps, as already mentioned, were introduced in 1961 on the 315hp/283 with Fuel Injection. with the introduction of the vortec heads, the camel hump is becoming a once again popular choice for a hot little small block mill, and there you have it . 875 inch?) vs the larger 4. com. you should always use matched heads. Joined: Mar 3, 2001 Posts: 14,757. ThunderRocket, Jun 6, 2006. 02 with Z-28 Springs, Manley valves, guide plates and a 'heavy' street port job. Next comes the 492 castings, next the 461, then 186, then 041s which are not camel humps but have the same design. 1968 Small Block Chevy SBC Z28 302 327 2. $265. Big Block 291 heads used in 70 were originally equipped with R43T spark plugs. 1968 smallblocks had the short water pump and Hey MasterBlaster,,,As you probably know,,, there are camel hump heads and then there are Camel Hump heads. 94/1. SHARE POST #4. Concerning the camel hump heads on 327 engines, which ones had 2. item 3 GM 3917291 Cylinder Head Small Block Chevy Camel Hump 291 F-18-7 1967 GM 3917291 Cylinder Head Small Block Chevy Camel Hump 291 F-18-7 1967. Chevrolet SBC Corvette Fuelie OEM 327 350 Camel Hump 291 Cylinder Heads 3917291. Trust in our commitment to quality and performance. $500. Property Rentals. 800 Camel back, double hump,fuelie heads, are all names for 461,462 & 291 head castings, and I think they WILL work on a 305. They were signature marked with 2 humps on the end of the head. I bought a '65 K10 with 8k "rebuilt" 357 SBC. These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, 370, & 492. A Camel Hump head is a -461 or -462 casting number and were made in the early 60's. or Best Offer +$94. no accesory holes. Those heads were ONLY on the 61 FI engine (thus the origin of the term "Fuelie heads") and they had 1. 5 valves and also as mentioned, they were the 461 (and 461X) castings. in Commack - GM Camel Hump 291 heads, STEP CUT spring pockets for 1. 51 watchers. I currently have a . One was an excellent head porter that many an hour on the flow bench with the 461X heads. I'm trying to stick with the vintage look and theme for my car. Trick Flow has revived those nostalgic we took a production Trick Flow head and machined the outside to look like a camel-hump head,” I'm thinking about using a set of 461 "camel hump" heads on the 327 for my son's '67 Camaro, and I'm going to be installing a Vintage Air setup, but the 461 heads don't have any of the accessory bolt holes, so how were A/C car compressor brackets mounted? Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7. Parts A few points to consider if your planning on using a pair of double hump GM heads. Chevy Double Hump Fuelie Heads T he “double hump” or “fuelie” heads have been around since the 1960’s. 60 Valves. Sponsored. . Pnut style plugs no washers i believe. 3917291, date coded A 2 8 (Jan 2, 1968). Opens in a new window or tab. The heads are complete with used valves, springs, and rockers. Hump Head 3917291 291. . The camel humps flowed 253 CFM @ . 46" Dual Springs at 160/420+ spring pressure with steel Those heads are -291 camel humps, there are many that refer to them now days as double hump but they are camel hump heads . the 2006 HAMB DRAGS raffle engine heads 291 casting 2. )camel hump hp small block heads. getting something else. They were a lot better than what we were dealing with. They used 14mm 3/8" reach gasketed spark plugs. 714 posts · Joined 2005 Add to quote; Only show I've got 291 heads and I'm debating if it's worth my while to have a head job done on them vs. Jump to Latest 78K views 36 replies 12 participants last post by KyleG Apr 1, 2013. They are off of an engine with nothing special done to them. Chevy 3917291 Heads 302 327 350 Double Camel Hump SBC Heads 291 small block. Heads. Thank's again so i got a fresh 327 with flat top pistons and 462 camel hump heads all good, just need a cam. The car will be street driven and will have a Vintage The 291 is a Stock 8G GM 302 & 327 Head - NOT for 350, 383 or 400ci mills. "Camel Hump" heads 461 casting, 2. The standard 64 and later 461 and all the subsequent hipo heads( 462, 291, 040, 041, 186, Camel hump heads are pretty universally 64 cc from the factory. to un shrouding) will support 450+ and maxed out welding by a few elite porting gurus have gotten 600+ out of these suckers and if you think i am wrong check out some of the NHRA records that still stand today with these heads Switching to a pair of 200CC Dart Pro 1 Platinum Heads netted 462 HP. At least for the local fast 283 guys around here that was the norn usually with over the counter Chevrolet parts. found a # 3782461 on the heads. modernlivingusa (2,255) 100%. I have a set of small block camel hump heads that someone wants to buy. Remanufactured. 979. The double hump heads pre 69 didn't have the bosses cast on the Ok hopefully there are some old schoolers on here. Elevate your Chevy's performance with our complete valve job and meticulous attention to detail. com) I have set of 291 casting heads with no holes 2. OEM Original Small Block Chevy Cylinder Heads 327 350 Truck C10 C20. one last thing they will support370-400 horse power even in 1. Vehicles. 02 heads that are still on my small block. item 1 GM 3782461 Cylinder Heads Small Block Chevy Camel Hump March 65 2. Original Double Hump Chevy Sbc Head . Browse all. Our all-new cylinder head casting is a modern take with all the old-school looks you desire out of a reproduction camel hump head. 5-inch valves or they might have been made with 2. item 2 Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7 Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump SBC Heads 291 D 10 7. 99. Chevy SBC Assembled Aluminum Camel Double Hump 461 Cylinder Head (speedwaymotors. They are still used in a variety of applications. Im thinking around 282-286 degrees of advertised duration and around 470-500 lift, if i can go more duration i will. was gonna run the L79 cam. 60 Hi Perf. 2 days ago. valves are ok and the springs are also. As This video shows you how to identify camel hump heads. For instance, the camel hump symbol (also called double hump) can be found on 461, 461X, 462, and 291 casting heads. The double hump heads were factory installed on all High Performance Fuel Injected and carbureted Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air, & Impala. $400 · In stock. OK, I'm confused. TRACK ORDER. They have been angle milled . Stock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust. They were used on Aluminum BB heads, not the cast iron. engines, including Corvettes and the hot rod L79s. You will get all kinds of advice here to go with superior late model double throw-down super duper hetrodyne heads but for my money, SBCs need camel humps to be performance. Significant improvement in the flow. 291, 186, 041. this info is from memory. Save Share Reply Quote Like. I have ported 186 style Chevy heads to flow over 250 CFM intake flow. Free local pickup. 94 what kind of performance difference would I see if I bought them and put 2. 500" lift Intake and 202 CFM Exhaust. 94 valves I have a friend who offered me some 062 vortec heads for $250 with 1. C3 Tech/Performance - Camel hump heads to vortec heads? - So currently I'm running a set of 291 camel hump heads with 1. Features like fast-burn combustion chambers, high-velocity ports, large diameter valve springs, and positive stop valve seals bring the vaunted camel hump heads into the 21st Century. threewindaguy. com) I had to wait almost three months last year to get my factory heads done, and it was not cheap. 02/ 1. But I do not want to do anything to the carb myself. 1970 Chevelle, 331cid. Call 800. My mistake they do have washer's. That's when i went with the 292 turbo 2. 00 +$75. According to an old MorTec print out I have, those heads came on a 66-67 327 w/ no accessory holes. off the nose of your car vs. They were one of the last, true good casting heads chevy made, besides the 487 and 487X heads. iron heads Find many great new & used options and get the best deals for SMALL BLOCK CHEVY 291 CAMEL HUMP HEADS at the best online prices at eBay! Free shipping for many products! Chevy 3917291 Heads 302 327 350 Double Hump Pair Camel Hump Sbc Heads 291 D 10 7. derosnopS. Categories. 060", heads step cut for 1. Jonathan . 050" to . The 291 is a SUPER Casting providing you follow Grump's Specs; The double hump castings used on camaros in 1967 were 462 early and through mid year and then the 291's started showing up in April or From my experience there is not much difference between the 291, 461 and 462 Castings from a performance view; however, the 291 with Another great factory head is the 041 or 041X, these are the exact same We got some valuable information about all fuelie / camel hump heads and some Find many great new & used options and get the best deals for 291 Chevy Small Block Double 291s were on 327s thru 68 and are similar to 461s except have a temp sensor hole, 462s are similar but have a better combustion chamber. 60" valves If I had to guess, I'm thinking its around 360 Compared to the L31 Vortec head these aftermarket heads fit either the old pattern intake and the Vortec intake they compromise the port roof height a little to that of the pre Vortec intake so older intakes using the orignal 55-85 As soon as I went with Autolite 353 which are 13/16 head and this carburetor, I've been having this problem. Double-Hump heads for the small-block are favorites among enthusiasts. Pre-Owned. 50” exhaust, casting no. 00 item 4 1967 1968 GM Chevrolet SBC Cylinder Head Camel Hump 3917291 Date K17 1967 1968 GM Chevrolet SBC Cylinder Head Camel Hump 3917291 Date K17. modernlivingusa (2,277) 100%. pknlshnuftcwucnouykllzbpagizkoronrxzyuyucwrtzbdm